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AndyOppenheimer

Partner

Overview

Biography

Andy is a seasoned tax and transactional lawyer who focuses his practice on cross-border and domestic tax and corporate matters involving partnerships, limited liability companies, and corporations. He advises business clients in a wide range of commercial transactions, including mergers and acquisitions, domestic and cross-border financings, restructurings, reorganizations, and spinoffs. He also represents clients in tax controversy disputes with the Internal Revenue Service. Andy serves as co-leader of Barclay Damon's Business Services Practice Group and is co-chair of the Tax Practice Area.

In addition to his practice, Andy is an adjunct professor at the University of Albany, where he teaches international tax in the school's master's degree program in taxation. He also co-taught a cross-border capstone course at the University at Buffalo School of Law.

Andy often speaks and writes on various federal and international tax matters.

Bar Associations

  • New York State Bar Association
  • American Bar Association
  • Ontario Bar Association
Experience

Representative Experience

  • Represented a long-standing Orchard Park specialty technical manufacturer in the successful sale of its equity and real property to a private equity platform.

Prior Experience

  • Hodgson Russ LLP, Partner
  • Hodgson Russ LLP, Senior Associate
  • Hodgson Russ LLP, Associate
  • Ernst & Young, Manager
  • Ernst & Young, Senior
  • Erie County, Assistant District Attorney

Selected Honors

  • The Best Lawyers in America®: Corporate Law, 2024–2026; Litigation and Controversy – Tax, 2024–2026; Tax Law, 2024–2026
  • Selected to Super Lawyers Upstate New York Rising Stars: Tax, 2020
Knowledge

Selected Speaking Engagements

  • Bar Association of Erie County 66th Tax Institute, “The ABCs of the Business-Related International Tax Provisions Under the Tax Cuts and Jobs Act”
  • National TD Wealth Advisory Services Conference 2018
  • CleantechIQ Webinar, “Implications of New US Tax Law in Cross-Border Transactions”
  • New York State Bar Association, “LLCs and Corporations: Tax Legal Planning Considerations”
  • New York State Bar Association, “The Non-Tax Lawyer’s Guide to Tax Law”

Selected Media

Selected Alerts & Blog Posts

Featured Media

Alerts

New York State Medicaid Intensifies Enforcement of Medicare Enrollment Requirements for Pharmacies

Alerts

NYS Hospitals Required to Meet New Workplace Violence Prevention Requirements

Alerts

US Department of Education Drops Appeal Against Federal Court Case Blocking Enforcement of Anti-DEI Directives

Alerts

USPTO Issues Updated Guidance on the Patentability of Emerging Technology Inventions

Alerts

NYS Governor Hochul's 2026 State of the State Address Signals Continued Focus on Nuclear Development, Announces Additional 4 GW Target

Alerts

California's Updated Privacy Regulations: Automated Decisionmaking Technology, Cybersecurity Audits, and Risk Assessments, Part 2